/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2021, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */
#pragma once

#include <mrpt/obs/CObservation.h>
#include <mrpt/poses/CPose2D.h>
#include <mrpt/poses/CPose3D.h>
#include <mrpt/serialization/CSerializable.h>

namespace mrpt::obs
{
/** This represents one or more RFID tags observed by a receiver.
 *
 * \sa CObservation, mrpt::hwdrivers::CImpinjRFID for a software sensor capable
 * of reading this kind of observations.
 * \ingroup mrpt_obs_grp
 */
class CObservationRFID : public CObservation
{
	DEFINE_SERIALIZABLE(CObservationRFID, mrpt::obs)

   public:
	/** Constructor */
	CObservationRFID();

	/** @name The data members
	 * @{ */
	/** The location of the sensing antenna on the robot coordinate framework */
	mrpt::poses::CPose3D sensorPoseOnRobot;

	/** Each of the individual readings of a RFID tag */
	struct TTagReading
	{
		TTagReading() = default;
		/** The power or signal strength as sensed by the RFID receiver (in dBm)
		 */
		double power{-1000};
		/** EPC code of the observed tag */
		std::string epc;
		/** Port of the antenna that did the reading */
		std::string antennaPort;
	};

	/** The vector of individual tag observations */
	std::vector<TTagReading> tag_readings;

	inline uint32_t getNtags() const { return tag_readings.size(); }
	/** @} */

	void getSensorPose(mrpt::poses::CPose3D& out_sensorPose) const override;
	/** A general method to change the sensor pose on the robot.
	 *  It has no effects in this class
	 * \sa getSensorPose  */
	void setSensorPose(const mrpt::poses::CPose3D& newSensorPose) override;
	// See base class docs
	void getDescriptionAsText(std::ostream& o) const override;

};	// End of class def.

}  // namespace mrpt::obs
